Environmental Studies ยท Chemistry
Environmental and Chemical Processes
2,324 Questions
Environmental and chemical processes encompass waste management, pollution remediation, and biogas conversion. These questions evaluate your grasp of how organic and synthetic materials interact with ecosystems. Such topics regularly appear in general science and environmental studies papers.
Waste managementBiogas conversionPhytoremediationSoil washingPollution control
Environmental and Chemical Processes Questions
What is the term for the process of converting waste materials into usable materials?
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Recycling
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Composting
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Incineration
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Landfilling
A
Correct answer
Explanation
Recycling involves collecting and processing waste materials to create new products, reducing the amount of waste sent to landfills and conserving natural resources.
What is the term for the process of reducing the amount of waste produced?
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Recycling
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Composting
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Reducing
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Reusing
C
Correct answer
Explanation
Reducing involves minimizing the amount of waste generated at the source, such as by using reusable products, buying less, and avoiding single-use items.
What is the term for the process of converting organic matter into a nutrient-rich soil amendment?
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Recycling
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Composting
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Incineration
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Landfilling
B
Correct answer
Explanation
Composting involves breaking down organic materials, such as food scraps and yard waste, into a nutrient-rich soil amendment that can improve soil health and fertility.
What is the term used to describe the process of plastic breaking down into smaller pieces over time?
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Photodegradation
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Biodegradation
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Fragmentation
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Oxidation
C
Correct answer
Explanation
Fragmentation is the term used to describe the process of plastic breaking down into smaller pieces over time. This process can be caused by various factors, such as wave action, sunlight, and mechanical stress.
What is the term used to describe the process of reducing industrial noise at the source?
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Noise reduction
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Noise control
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Noise abatement
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Noise mitigation
A
Correct answer
Explanation
Noise reduction refers to the process of reducing industrial noise at the source by modifying the design or operation of the noise-generating equipment.
What is the term for the process of removing the husk from rice?
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Milling
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Polishing
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Parboiling
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Hulling
D
Correct answer
Explanation
Hulling is the process of removing the husk from rice. It is the first step in the process of milling rice.
What is the term used to describe the process of extracting fossil fuels from the Earth?
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Mining
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Drilling
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Fracking
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Refinery
Correct answer
Explanation
Extraction is the general term used to describe the process of removing fossil fuels from the Earth, which can involve mining, drilling, or fracking.
What is the term used to describe the process of converting fossil fuels into usable energy?
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Combustion
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Refining
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Fracking
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Extraction
A
Correct answer
Explanation
Combustion is the process of burning fossil fuels to release heat energy, which can be used to generate electricity or power engines.
What is the term used to describe the process of removing impurities from fossil fuels?
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Mining
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Drilling
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Refining
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Fracking
C
Correct answer
Explanation
Refining is the process of removing impurities from fossil fuels, such as sulfur and nitrogen, to make them suitable for use in various applications.
What is the term used to describe the process of extracting natural gas from underground reservoirs?
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Mining
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Drilling
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Fracking
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Refinery
B
Correct answer
Explanation
Drilling is the primary method used to extract natural gas from underground reservoirs. It involves boring a hole into the Earth's crust and using specialized equipment to bring the gas to the surface.
What is the term used to describe the process of extracting oil from underground reservoirs?
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Mining
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Drilling
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Fracking
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Refinery
B
Correct answer
Explanation
Drilling is the primary method used to extract oil from underground reservoirs. It involves boring a hole into the Earth's crust and using specialized equipment to bring the oil to the surface.
What is the term used to describe the process of reducing air pollution by removing pollutants from the air?
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Air purification
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Air filtration
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Air scrubbing
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Air remediation
C
Correct answer
Explanation
Air scrubbing is a process that involves removing pollutants from the air by passing it through a device that captures or neutralizes the contaminants. This process is commonly used in industrial settings to control air emissions.
What is the term used to describe the process by which hazardous waste moves through the environment and affects living organisms?
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Bioaccumulation
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Biomagnification
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Biodegradation
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Bioremediation
B
Correct answer
Explanation
Biomagnification refers to the process by which hazardous substances accumulate and increase in concentration as they move up the food chain, posing risks to higher-level consumers.
What is the term used to describe the process of breaking down hazardous waste into less harmful substances?
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Bioremediation
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Incineration
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Landfilling
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Recycling
A
Correct answer
Explanation
Bioremediation involves the use of microorganisms to break down hazardous waste into less harmful substances, utilizing natural processes to clean up contaminated environments.
What is the term used to describe the process of reducing the amount of hazardous waste generated?
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Waste minimization
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Waste treatment
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Waste disposal
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Waste recycling
A
Correct answer
Explanation
Waste minimization involves reducing the quantity and toxicity of hazardous waste produced at the source, aiming to prevent or minimize the generation of hazardous waste.